Small block Chevy in a cobra?

[olddog]

Originally Posted by t walgamuth

Tough crowd when 700 hp is not awesome!

You missed my point (most likely sarcastically ignored it - for humor).

You can make 700 Hp with a FE, 385 series, Windsor, Clevor, Modular, and a Coyote.

You can put OEM EFI on any engine. I personally have a Ford OEM Mass Air Flow EFI on my 347, and you can put it on any engine. You just have to put a chip on it to tell it the cid, injector size, MAF meter curve, and then set your AFR maps and timing maps for your engine. Likewise you could put a GM EFI on any engine. I'm not exactly sure how to tune GM and some of the newer stuff, as I have not done it, but I know it is done.

So that leaves "why do this with a Chevy engine when there are many roads to get there with Ford engines?"

I suspect the answer is:
I know Chevy engines.
My budy, who does the work, knows Chevy engines.
Everyone I know uses Chevy engines.
I can buy a junkyard Chevy cheap.

[blykins]

Ace, I have some 700 hp pump gas Windsors….

[peterpjb]

Originally Posted by blykins

Ace, I have some 700 hp pump gas Windsors….

700hp... 850hp... lots of power, guys

is that the power on the dyno or at the rear wheels?
brent, did you ever measure the difference with your engines?

[blykins]

Originally Posted by peterpjb

700hp... 850hp... lots of power, guys

is that the power on the dyno or at the rear wheels?
brent, did you ever measure the difference with your engines?

Engine dyno power. Last 460W I did made about 720 hp on pump gas.

I don't have access to a chassis dyno, so I only have numbers from guys who put the engines in the car, then take them to tune. On Cobras, the difference can be pretty substantial because of the restrictive sidepipes and air cleaners. I think the last Cobra that I saw the results for made 660 hp on the engine dyno and 550 on the chassis dyno. So about 17% loss.

On other vehicles, can be as low as 15% or as high as 20% if the vehicle has a 9" rear and an auto trans.

[blykins]

Originally Posted by peterpjb

700hp... 850hp... lots of power, guys

Nah, this is a lot of power....

https://www.youtube.com/watch?v=Epb3F5txePk

[Ace23]

Originally Posted by blykins

Ace, I have some 700 hp pump gas Windsors….

I forgot my man Brent who has built quite a nice portfolio of engines. Brent specified the cam for my rebuild amongst other assistance and it absolutely delivered...rowdy sounding at about 1100rpm idle.

Brent, hope all is well. When I last spoke to Jim before he passed he was hot and heavy on a new Brodix Head Hunter 15 or 20 degree setup he was working on. He was wanting to do a 445w with a hydraulic roller and a super victor.

[blykins]

Originally Posted by Ace23

I forgot my man Brent who has built quite a nice portfolio of engines. Brent specified the cam for my rebuild amongst other assistance and it absolutely delivered...rowdy sounding at about 1100rpm idle.

Brent, hope all is well. When I last spoke to Jim before he passed he was hot and heavy on a new Brodix Head Hunter 15 or 20 degree setup he was working on. He was wanting to do a 445w with a hydraulic roller and a super victor.

I could do a pump gas, hydraulic roller SBF that would make 700.

[Dimis]

Originally Posted by olddog

So that leaves "why do this with a Chevy engine when there are many roads to get there with Ford engines?

I suspect the answer is:
I know Chevy engines.
My budy, who does the work, knows Chevy engines.
Everyone I know uses Chevy engines.
I can buy a junkyard Chevy cheap.

Olddog,

If I may, can you kindly quell for me this paradox then.

GMs LS7 is a legitimate "427", which some may argue is a more authentic moniker than say the title "Ford". After all, the "car" wasn't made by Ford. (Shock! Horror! I know...) They (ford) merely stuffed it with thier engines, no?

Since then the car is equally (some may argue more so) known as a "427 Cobra", as compared to a "Ford Cobra". Trade marks not withstanding.

Do you protest the use of GMs LS7 with the same vigor?
They are the only readily available factory 427 crate engine, come with gobs of power, are compact and have awesome internals (including titanium) bits and pieces.

Would that not be a more fitting motor than many of the Ford variants you listed above?

[RB60]

Originally Posted by Dimis

Olddog,

If I may, can you kindly quell for me this paradox then.

GMs LS7 is a legitimate "427", which some may argue is a more authentic moniker than say the title "Ford". After all, the "car" wasn't made by Ford. (Shock! Horror! I know...) They (ford) merely stuffed it with thier engines, no?

Since then the car is equally (some may argue more so) known as a "427 Cobra", as compared to a "Ford Cobra". Trade marks not withstanding.

Do you protest the use of GMs LS7 with the same vigor?
They are the only readily available factory 427 crate engine, come with gobs of power, are compact and have awesome internals (including titanium) bits and pieces.

Would that not be a more fitting motor than many of the Ford variants you listed above?

No, it would not.

[joyridin']

Originally Posted by Dimis

Olddog,

After all, the "car" wasn't made by Ford. (Shock! Horror! I know...) They (ford) merely stuffed it with thier engines, no?

That was Shelby wasn't it? Not Ford.